Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

8 hosts · 257 ms

HostCertsFirst seenLast seen
inspatial.com 29 2025-10-10 2026-10-07
*.inspatial.com 23 2025-10-10 2026-10-07
isig1.inspatial.com 8 2026-08-03 2026-10-01
c6.inspatial.com 2 2026-02-04 2026-02-04
d6.inspatial.com 2 2026-02-04 2026-02-04
v6.inspatial.com 2 2026-02-04 2026-02-04
beta.inspatial.com 2 2026-02-04 2026-02-04
www.inspatial.com 5 2026-04-30 2026-08-23

Programmatic access: API GET /v1/hosts/inspatial.com (API key for paging).

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/inspatial.com.